
PTGX Stock Price Prediction
Protagonist Therapeutics Inc
- Overview
- Forecast
- Valuation
- Earnings
1-Day-Price-Prediction
-0.03%
1-Week Prediction
-2.04%
Based on our advanced algorithm, we predict that PTGX stock price will experience significant movement in the coming periods. Our 1-day prediction estimates a price of $54.97, while the 1-week outlook suggests a value of $53.87. For the 1-month forecast, we project a price of $52.74. Looking further ahead, our 2026 projection estimates a value of $76.56, with a long-term 2030 forecast reaching $220.04. Stay informed and make strategic decisions with our data-driven insights!
52.740
Should I Buy Protagonist Therapeutics Inc Stock?
Based on our evaluation of the five key dimensions—Technical Signals, Moving Average trends, Short Sell Data, Similar Chart Pattern Matching and Seasonality Analysis—we have identified the following insights. PTGX has several positive signals and is within a rising trend, so we believe it will perform strongly in the next couple of days or weeks. We therefore hold a positive evaluation of this stock. Our analysis conclusion for this stock is a Strong Buy candidate.
PTGX stock price ended at $54.99 on Thursday, after losing -3.05%
The Protagonist Therapeutics Inc stock price decreased by -3.05% on the last trading day (14 Aug 2025), dropping from 56.2 to 54.99. Throughout the last trading session, the stock experienced a fluctuation of 2.95% , ranging from a day low of $54.96 to a day high of 56.58. The price has declined in 4 of the last 10 days, resulting in a total change of 2.10% during this period. On the last day, trading volume decrease by -369.97K shares, with the falling prices. This could serve as an early warning, indicating that risk may slightly increase in the coming days. In total, 629.42K shares were traded, amounting to approximately 35.09M.
PTGX Technical Signals
PTGX(Protagonist Therapeutics Inc Corp) has 3 buy signals and 2 sell signals now. The current trend is consolidation starting from 2025-08-08. The total price change during this trend is +7.68%. Recently, the price has decreased but the volume has also decreased, indicating a potential rebound signal. The average turnover of PTGX over the last 5 trading days is 40.84M. Overall, the technical indicator signals lean more toward a Neutral outlook in the mid-term.
PTGX Moving Average Analysis
Protagonist Therapeutics Inc's overall moving average trend leans more bullish as of Friday, August 15, 2025, with 1 negative signals and 3 positive signal. In the mid-term, the SMA_20 being above the SMA_60 signals a strong bullish trend. There will be some resistance from the lines at $57.63, and $60.06. A break-up above any of these levels will issue buy signals. There will be some support from the lines at $49.76, and $47.33. A break-down below any of these levels will issue sell signals.
PTGX Short Selling Analysis
The short sale ratio of Protagonist Therapeutics Inc(PTGX) as of 11 Aug 2025 is 18.67%, rising from last trading day. With increasing price from 51.07 to 53.75. The short sell activity indicate that short sellers may be anticipating a price reversion.
Technical Signal
Technical Signals Summary

Neutral
Sell
2
Buy
3
Moving Average
Swing

Stock Price Above SMA_5
Short Term

SMA_5 Below SMA_20
Mid Term

SMA_20 Above SMA_60
Long Term

SMA_60 Above SMA_200
Short Selling
Close Price
Short Sale Ratio
Short Sale Volume
3 Bullish Signals
When Value satisfies Signal, Indicator signals Bullish
Indicators
Signal
Value
Meaning
Momentum (10 days)
MOM_10 > 0
1.13
Bullish
Moving Average Convergence Divergence (12, 26, 9)
MACD_12_26_9 > 0
0.255
Bullish
Moving Average
5-day SMA crosses above 10-day SMA
--
Bullish
2 Bearish Signals
When Value satisfies Signal, Indicator signals Bearish
Indicators
Signal
Value
Meaning
Awesome Oscillator (5, 34)
AO_5_34 < 0
-0.0814
Bearish
Stochastic RSI %K (14, 14, 3, 3)
STOCHRSIk_14_14_3_3 > 80
80.623
Bearish
PTGX Stock Forecast
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
In 2026, Protagonist Therapeutics Inc (PTGX) is anticipated to change hands in a trading channel between $39.34 and $90.62.
Protagonist Therapeutics Inc Stock Forecast 2026
Jan 2026: PTGX Stock Forecast
Potential ROI: 35.58%
In Jan 2026, Protagonist Therapeutics Inc's value is forecasted to reach an average price of $73.81. The price is predicted to fluctuate between a low of $62.07 and a high of $81.73.
Feb 2026: PTGX Stock Forecast
Potential ROI: 6.94%
In Feb 2026, Protagonist Therapeutics Inc's value is forecasted to reach an average price of $58.22. The price is predicted to fluctuate between a low of $53.07 and a high of $64.80.
Mar 2026: PTGX Stock Forecast
Potential ROI: 18.09%
In Mar 2026, Protagonist Therapeutics Inc's value is forecasted to reach an average price of $64.29. The price is predicted to fluctuate between a low of $60.08 and a high of $77.10.
Apr 2026: PTGX Stock Forecast
Potential ROI: 27.12%
In Apr 2026, Protagonist Therapeutics Inc's value is forecasted to reach an average price of $69.20. The price is predicted to fluctuate between a low of $55.01 and a high of $80.49.
May 2026: PTGX Stock Forecast
Potential ROI: 21.03%
In May 2026, Protagonist Therapeutics Inc's value is forecasted to reach an average price of $65.89. The price is predicted to fluctuate between a low of $55.42 and a high of $82.51.
Jun 2026: PTGX Stock Forecast
Potential ROI: 40.63%
In Jun 2026, Protagonist Therapeutics Inc's value is forecasted to reach an average price of $76.56. The price is predicted to fluctuate between a low of $70.37 and a high of $77.67.
Jul 2026: PTGX Stock Forecast
Potential ROI: 36.41%
In Jul 2026, Protagonist Therapeutics Inc's value is forecasted to reach an average price of $74.26. The price is predicted to fluctuate between a low of $67.16 and a high of $80.54.
Aug 2026: PTGX Stock Forecast
Potential ROI: 40.63%
In Aug 2026, Protagonist Therapeutics Inc's value is forecasted to reach an average price of $76.56. The price is predicted to fluctuate between a low of $74.17 and a high of $87.73.
Sep 2026: PTGX Stock Forecast
Potential ROI: 2.50%
In Sep 2026, Protagonist Therapeutics Inc's value is forecasted to reach an average price of $55.80. The price is predicted to fluctuate between a low of $39.34 and a high of $57.29.
Oct 2026: PTGX Stock Forecast
Potential ROI: 17.66%
In Oct 2026, Protagonist Therapeutics Inc's value is forecasted to reach an average price of $64.05. The price is predicted to fluctuate between a low of $49.63 and a high of $72.45.
Nov 2026: PTGX Stock Forecast
Potential ROI: 39.70%
In Nov 2026, Protagonist Therapeutics Inc's value is forecasted to reach an average price of $76.05. The price is predicted to fluctuate between a low of $61.01 and a high of $90.62.
Dec 2026: PTGX Stock Forecast
Potential ROI: 2.46%
In Dec 2026, Protagonist Therapeutics Inc's value is forecasted to reach an average price of $55.78. The price is predicted to fluctuate between a low of $40.24 and a high of $69.30.
PTGX Price Prediction & Forecast by Similar Chart Analysis
Based on historical patterns and backtesting of stocks with similar movements to Protagonist Therapeutics Inc(PTGX), our algorithm predicts PTGX's 1-month price at $53.43, with an 4.63%upwardshift. Using a similarity score up to 91.09%and other factors, This forecast updates weekly, adjusting for significant deviations.
Similar Chart
The price prediction chart for Protagonist Therapeutics Inc (PTGX.O) stock, as of Sunday, August 10, 2025 , forecasts a 4.63% change over the next month, based on its high correlation with FLXS.O stock patterns. The similarity between their price movements over the analyzed periods is 91.09%. The right panel lists other stocks with similar price patterns. This prediction is updated every week.

PTGX
Future prediction
Up: 4.63%


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FLXS
Up: 4.63%Similarity: 91.09%
Name
Similarity
Up/Down

FLXS.O
91.09%
+4.63%

WYY.A
91.07%
+5.45%

INVA.O
90.88%
+15.33%

FMNB.O
90.48%
+14.54%

SHEN.O
90.14%
+10.40%

WPRT.O
90.03%
-6.35%

DHT.N
90.02%
+0.65%
PTGX Seasonality Analysis
Based on PTGX's historical stock price data across all years, the probability of a positive return in August is77.78%, suggesting it maybe an ideal month to invest in PTGX. In contrast,Juneoffers the highest probability of positive returns at77.78%, making it a potentially strong month for investment.
However, this is only a prediction based on one method, and a comprehensive assessment of the stock's future trend should consider additional factors. Our final stock price commentary incorporates three main evaluation dimensions: technical signals, Moving Average trends, and similar chart pattern matching, with the first two dimensions carrying the primary weight to ensure a more robust and accurate forecast.
Monthly Seasonality
The radar chart shows that buying Protagonist Therapeutics Inc (PTGX.O) stock in June has the highest probability of a positive return (77.78%), while April has the lowest probability (22.22%).
Performance Seasonality
The chart shows Protagonist Therapeutics Inc. (PTGX)'s annual stock price return for the past three years, helping you analyze price trends and identify recurring trends on an annual basis.
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FAQ

Should I buy Protagonist Therapeutics Inc (PTGX.O) stock?
Based on our evaluation of the five key dimensions—Technical Signals, Moving Average trends, Short Sell Data, Similar Chart Pattern Matching and Seasonality Analysis—we have identified the following insights. PTGX has several positive signals and is within a rising trend, so we believe it will perform strongly in the next couple of days or weeks. We therefore hold a positive evaluation of this stock. Our analysis conclusion for this stock is a Strong Buy candidate.

Which months have the highest win rate for buying Protagonist Therapeutics Inc (PTGX.O) stock in a year?

How has Protagonist Therapeutics Inc. (PTGX)'s stock price performed over the past three years?

Which bull technical signals does PTGX have?

Which bearish technical signals does PTGX have?

Is PTGX a buy based on overall technical signals summary?

What is the trend of Protagonist Therapeutics Inc (PTGX)'s moving average?

What is price prediction for PTGX stock next month?

What is price prediction 2025 for PTGX Stock?
